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ǰλãҳ > 机械原理平面连杆机构及其设计课后习题答案. - 百度文库

机械原理平面连杆机构及其设计课后习题答案. - 百度文库

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  • 2025/5/26 5:55:07

3-3:

⣺1ABΪ̹⡣lAB+lBClCDlADlAB5035+30 lAB15 lABֵΪ15L

2a: ABΪУ lAD+ lABlBC+ lCD lAB55

lABlBC

lAB50

50lAB55

b:ABȲҲ̹У lAD+lBClAB+ lCD lAB45 lABlAD lAB30 lAB45

45LQlAB55L 3)ãûĸijȲ˳֮ʱ⡣ԣ

(a)ABΪ̹ʱУ

lAB+lBCRlCDlAD lAB15 lABlAD lAB30 15lAB30

bAΪʱУ

lAD+ lABlBC+ lCD lAB55 lABlBC lAB50 lABlBC+lCD+ lAD lAB115 55lAB115

cABˣҲ̸ʱУ 30lAB50

lADlABlBC 30lAB50 lAD+lBClAB+ lCD lAB45 lAB+ lCD+ lADlBC lAB-15

ۺУAB˵ķΧΪ15LlAB45L55LlAB115Lʱ˽ĸΪ˫ҡ˻

3-4

K=1.5 =36֪11ͼУ (1) lAB+lBC=70.84 lBClAB =25.82

lAB=22.51L, lBC48.33L

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3-3: ⣺1ABΪ̹⡣lAB+lBClCDlADlAB5035+30 lAB15 lABֵΪ15L 2a: ABΪУ lAD+ lABlBC+ lCD lAB55 lABlBC lAB50 50lAB55 b:ABȲҲ̹У lAD+lBClAB+ lCD lAB45 lABlAD lAB30 lAB45 45LQlAB55L 3)ãûĸijȲ˳֮ʱ⡣ԣ (a)ABΪ̹ʱ

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